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Rocks formed earth and other planets
Rocks from space orbited around the sun and collided, sticking together. -
Period: to
Precambrian Time
Lasted 321 days -
Living organisms showed up
Archeabactereia cells were the first living organisms that ever showed up -
Unfamiliar animal-like life forms showed
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Period: to
Paleozoic Era
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Cambrian
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Ordovician
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Silurian
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Devonian
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Carboniferous
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Permian
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Period: to
Mesozoic Era
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Dinosaurs Ruled
Life diversified rapidly, and giant reptiles, dinosaurs and other giant beasts roamed the earth. -
Period: to
Cenozoic Era
